Amazon.com: CGOLDENWALL JTB Series Analytical Balance Lab Scale Electronic LCD Digital High Precision Balance 110V-240V 0.001g Readability 100g/200g/300g (300g, 0.001) : Industrial & Scientific
Amazon.com: Tree Scales Precision Balance with Glass Draft Shield 100g x 0.001g Digital Scale : Industrial & Scientific
HORIZON 8 PCS 1000g Calibration Weight Set (10g, 20g,20g,50g,100g,100g,200g,500g) with Storage Case and Tweezers for Digital Scale Balance Science Lab Educational Weights: Amazon.com: Industrial & Scientific